Unseen, they stalk their targets from thousands of feet in the air. Operators are piloting them from military bases halfway across the world. At any moment, they could launch a strike that comes without warning. The attack drone was supposed to be a symbol of the era of precision warfare — a way to wage wars with fewer casualties on both sides. It's a technology that's been honed since it was first dreamed up during World War 1. But are drones actually precise enough? Do drones desensitize us to the casualties of civilians caught between us and our enemies? In this episode, we will explore the past, present and future of drone warfare.